Cornerstone abbr. Crossword Clue

We have the 4-letter answer for Cornerstone abbr. crossword clue, last seen in the WSJ Crossword October 9, 2026 puzzle. This answer will help you finish the puzzle you’re working on.

Cornerstone abbr. Crossword Answer

↓57.

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ESTAB

(5 letters)

EST

(3 letters)

Helpful Hints

Hint 1: Clue Definition

CORNERSTONE (noun)
1. the fundamental assumptions from which something is begun or developed or calculated or explained
2. a stone at the outer corner of two intersecting masonry walls

Hint 2: Other Answers Used in the Past

ESTAB
(5 letters)
EST
(3 letters)

Hint 3: Anagram

Unscramble the letters below to solve for today's answer.
TEDS

More WSJ Crossword (10/9/2026) Answers

Across

1. Bold poker bet

6. Handle hard times

10. Novel on which “Clueless” is based

14. “___ Evil”: (1971 Mia Farrow movie)

15. Rock great Clapton

16. Pacer pace

17. Metal-polishing material

19. Airing

20. Considered intrinsically

21. Four duos

23. Elite Navy group

26. Anvil site

27. Utterance from Homer

29. Circles of mushrooms thought to be magical in folklore

34. Arg. neighbor

35. Sicilian peak

36. Chapel topper

37. Zealous

39. Goes under

41. Do a checkout chore

42. “On the Beach” author Shute

44. Diamond with many hits

45. Set of tools

46. Lakota leader at Little Bighorn

48. “Tic Tac Dough” channel, familiarly

49. Where the wild things are

50. Hardly trustworthy

52. Padres Hall of Famer Tony

54. Rum cocktail

58. Apple Intelligence assistance

59. Old wool-packing tool resembling a shovel

63. Secluded area

64. Keep out of sight

65. Suffer defeat, slangily

66. Pixar’s Dory is a blue one

67. Campus south of Golden Gate Pk.

68. Flea market business

All Answers

Down

1. Between ports

2. NASA landed six of them on the moon

3. Merlot vat waste

4. Sudden arrival

5. “The Quiet American” director Phillip

6. Animation collectible

7. Material for los doblones

8. Quarry

9. Like caves and canyons

10. Bouts of self-indulgence

11. Lion’s pride

12. Aid for working at home

13. Dirt bike’s cousin

18. Gets exasperated

22. Train units

24. Like many Telemundo viewers

25. Oscar-nominated 2025 film

27. Capital founded by William Penn

28. Twins Hall of Famer Tony

30. Devil-may-care

31. Razors may make them

32. Wood feature

33. Dispatched

34. Perch in le parc

38. Like many op art posters

40. Sordid stuff

43. Largest city on the Rhône

47. Osaka’s island

48. Juicer, maybe

51. Airheads

52. River to the Colorado

53. Carolina singer

55. Still buggy, perhaps

56. “God ___ the details”

58. USMC rank

60. Snap

61. Streaming interruptions

62. Dict. snippet

All Answers